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hemagglutinin
he·mag·glu·ti·nin [ hmə glt'nin ]


noun 
Definition:
 
blood cell clumping agent: an agent that causes red blood cells to clump together, e.g. a virus or an antibody
Encarta® World English Dictionary [North American Edition] © & (P)2009 Microsoft Corporation. All rights reserved. Developed for Microsoft by Bloomsbury Publishing Plc.
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